**STRUCT** # `MenuSection` A section for menus. ## Properties ### `sectionContent` The content of the section. ## Methods ### `init(content:)` Initialize a section for menus. - Parameter content: The content of the section. ### `addMenuItem(menu:app:window:)` Add the section to a menu. - Parameters: - menu: The menu. - app: The application containing the menu. - window: The application window containing the menu.